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Side-by-side financial comparison of NL INDUSTRIES INC (NL) and NAPCO SECURITY TECHNOLOGIES, INC (NSSC). Click either name above to swap in a different company.
NAPCO SECURITY TECHNOLOGIES, INC is the larger business by last-quarter revenue ($48.2M vs $37.7M, roughly 1.3× NL INDUSTRIES INC). NAPCO SECURITY TECHNOLOGIES, INC runs the higher net margin — 28.0% vs -82.2%, a 110.2% gap on every dollar of revenue. On growth, NAPCO SECURITY TECHNOLOGIES, INC posted the faster year-over-year revenue change (12.2% vs -1.9%). NAPCO SECURITY TECHNOLOGIES, INC produced more free cash flow last quarter ($14.5M vs $-4.7M). Over the past eight quarters, NL INDUSTRIES INC's revenue compounded faster (-0.4% CAGR vs -1.1%).
NL Industries, formerly known as the National Lead Company, is a lead smelting company currently based in Houston, Texas. National Lead was one of the 12 original stocks included in the Dow Jones Industrial Average at the time of its creation on May 26, 1896.
Napco Security Technologies, Inc. was set up in 1969 and now is based in Amityville, New York. The company focuses on security products, such as electronic locking devices, alarm systems, and building access control systems. The company was formerly known as Napco Security Systems, Inc.
NL vs NSSC — Head-to-Head
Income Statement — Q4 FY2025 vs Q2 FY2026
| Metric | | |
|---|---|---|
| Revenue | $37.7M | $48.2M |
| Net Profit | $-31.0M | $13.5M |
| Gross Margin | 32.1% | 58.6% |
| Operating Margin | 7.6% | 30.6% |
| Net Margin | -82.2% | 28.0% |
| Revenue YoY | -1.9% | 12.2% |
| Net Profit YoY | -287.2% | 29.0% |
| EPS (diluted) | $-0.63 | $0.38 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q4 25 | $37.7M | $48.2M | ||
| Q3 25 | $40.0M | $49.2M | ||
| Q2 25 | $40.4M | $50.7M | ||
| Q1 25 | $40.3M | $44.0M | ||
| Q4 24 | $38.4M | $42.9M | ||
| Q3 24 | $33.7M | $44.0M | ||
| Q2 24 | $35.9M | $50.3M | ||
| Q1 24 | $38.0M | $49.3M |
| Q4 25 | $-31.0M | $13.5M | ||
| Q3 25 | $-7.9M | $12.2M | ||
| Q2 25 | $355.0K | $11.6M | ||
| Q1 25 | $667.0K | $10.1M | ||
| Q4 24 | $16.5M | $10.5M | ||
| Q3 24 | $36.0M | $11.2M | ||
| Q2 24 | $7.8M | $13.5M | ||
| Q1 24 | $6.8M | $13.2M |
| Q4 25 | 32.1% | 58.6% | ||
| Q3 25 | 27.6% | 56.6% | ||
| Q2 25 | 31.9% | 52.8% | ||
| Q1 25 | 30.2% | 57.2% | ||
| Q4 24 | 28.8% | 57.0% | ||
| Q3 24 | 28.1% | 55.9% | ||
| Q2 24 | 31.1% | 55.3% | ||
| Q1 24 | 25.5% | 53.8% |
| Q4 25 | 7.6% | 30.6% | ||
| Q3 25 | 4.6% | 27.7% | ||
| Q2 25 | 6.9% | 23.8% | ||
| Q1 25 | 7.8% | 25.4% | ||
| Q4 24 | 87.7% | 26.0% | ||
| Q3 24 | 6.0% | 26.9% | ||
| Q2 24 | 2.2% | 27.7% | ||
| Q1 24 | 3.6% | 29.4% |
| Q4 25 | -82.2% | 28.0% | ||
| Q3 25 | -19.7% | 24.7% | ||
| Q2 25 | 0.9% | 22.9% | ||
| Q1 25 | 1.7% | 23.0% | ||
| Q4 24 | 43.1% | 24.4% | ||
| Q3 24 | 107.0% | 25.4% | ||
| Q2 24 | 21.8% | 26.9% | ||
| Q1 24 | 18.0% | 26.8% |
| Q4 25 | $-0.63 | $0.38 | ||
| Q3 25 | $-0.16 | $0.34 | ||
| Q2 25 | $0.01 | $0.33 | ||
| Q1 25 | $0.01 | $0.28 | ||
| Q4 24 | $0.34 | $0.28 | ||
| Q3 24 | $0.74 | $0.30 | ||
| Q2 24 | $0.16 | $0.36 | ||
| Q1 24 | $0.14 | $0.36 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $110.6M | $115.4M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $358.8M | $184.8M |
| Total Assets | $464.2M | $212.8M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $110.6M | $115.4M | ||
| Q3 25 | $101.9M | $105.8M | ||
| Q2 25 | $111.5M | $99.2M | ||
| Q1 25 | $110.0M | $89.3M | ||
| Q4 24 | $163.2M | $99.2M | ||
| Q3 24 | $146.0M | $91.3M | ||
| Q2 24 | $179.4M | $70.7M | ||
| Q1 24 | $167.9M | $60.9M |
| Q4 25 | $358.8M | $184.8M | ||
| Q3 25 | $375.4M | $176.1M | ||
| Q2 25 | $397.6M | $168.6M | ||
| Q1 25 | $397.6M | $161.5M | ||
| Q4 24 | $396.9M | $174.2M | ||
| Q3 24 | $386.0M | $178.6M | ||
| Q2 24 | $373.1M | $178.9M | ||
| Q1 24 | $368.1M | $168.2M |
| Q4 25 | $464.2M | $212.8M | ||
| Q3 25 | $500.2M | $206.0M | ||
| Q2 25 | $523.7M | $198.1M | ||
| Q1 25 | $520.0M | $190.9M | ||
| Q4 24 | $578.3M | $202.7M | ||
| Q3 24 | $585.6M | $209.9M | ||
| Q2 24 | $580.0M | $207.8M | ||
| Q1 24 | $568.8M | $194.8M |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $-4.2M | $15.1M |
| Free Cash FlowOCF − Capex | $-4.7M | $14.5M |
| FCF MarginFCF / Revenue | -12.6% | 30.1% |
| Capex IntensityCapex / Revenue | 1.6% | 1.2% |
| Cash ConversionOCF / Net Profit | — | 1.12× |
| TTM Free Cash FlowTrailing 4 quarters | $-40.1M | $53.7M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-4.2M | $15.1M | ||
| Q3 25 | $7.9M | $11.6M | ||
| Q2 25 | $7.3M | $14.6M | ||
| Q1 25 | $-47.5M | $13.4M | ||
| Q4 24 | $9.0M | $13.5M | ||
| Q3 24 | $-5.7M | $12.0M | ||
| Q2 24 | $15.5M | $14.3M | ||
| Q1 24 | $6.7M | $12.3M |
| Q4 25 | $-4.7M | $14.5M | ||
| Q3 25 | $7.0M | $11.4M | ||
| Q2 25 | $5.9M | $14.4M | ||
| Q1 25 | $-48.3M | $13.3M | ||
| Q4 24 | $8.7M | $12.4M | ||
| Q3 24 | $-6.1M | $11.3M | ||
| Q2 24 | $15.1M | $13.8M | ||
| Q1 24 | $6.4M | $12.0M |
| Q4 25 | -12.6% | 30.1% | ||
| Q3 25 | 17.4% | 23.3% | ||
| Q2 25 | 14.7% | 28.4% | ||
| Q1 25 | -119.9% | 30.3% | ||
| Q4 24 | 22.8% | 28.8% | ||
| Q3 24 | -18.3% | 25.8% | ||
| Q2 24 | 42.1% | 27.4% | ||
| Q1 24 | 17.0% | 24.3% |
| Q4 25 | 1.6% | 1.2% | ||
| Q3 25 | 2.5% | 0.4% | ||
| Q2 25 | 3.3% | 0.5% | ||
| Q1 25 | 2.0% | 0.1% | ||
| Q4 24 | 0.6% | 2.6% | ||
| Q3 24 | 1.4% | 1.5% | ||
| Q2 24 | 1.2% | 1.1% | ||
| Q1 24 | 0.8% | 0.7% |
| Q4 25 | — | 1.12× | ||
| Q3 25 | — | 0.96× | ||
| Q2 25 | 20.53× | 1.26× | ||
| Q1 25 | -71.18× | 1.32× | ||
| Q4 24 | 0.54× | 1.29× | ||
| Q3 24 | -0.16× | 1.08× | ||
| Q2 24 | 1.98× | 1.06× | ||
| Q1 24 | 0.99× | 0.94× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
NL
| Security Products | $29.5M | 78% |
| Marine Components | $8.2M | 22% |
NSSC
Segment breakdown not available.
